Preform for a bottle closure



FIG. 1 is a top perspective view of a preform for a bottle closure, showing my new design;

FIG. 2 is a side elevational view of a perform for a bottle closure;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a bottom perspective view thereof.

In the drawings. the broken lines showing portions of a preform for a bottle closure depict environment and form no part of the claim. 

CLAIM The ornamental design for a preform for a bottle closure, as shown as described. 